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Large genomic study identifies endometrial cancer subtypes, treatment opportunities
Date:5/1/2013

According to Dr. Levine, incorporating new genomic information into treatment planning could be a great leap forward, helping to make certain that additional therapies are used effectively and only when necessary.

The analysis of 373 endometrial tumors showed that approximately a quarter of high-grade endometrioid tumors have certain types of genomic alterations also found in uterine serous tumors. This suggests that a significant portion of endometrioid tumors should be treated more aggressively after surgery.

Many of the tumors analyzed had mutations in important cancer-related genes and pathways for which targeted therapies are already being tested in clinical trials for other cancers. For example, 84 percent of the tumors have some alteration in the PI3 kinase pathway, which is implicated in many cancers. Additionally, genomic alterations in uterine serous tumors share many features with ovarian serous and triple-negative breast cancers, suggesting opportunity for shared treatments.

Investigators at Memorial Sloan-Kettering are now translating these findings into clinically useful tests that may be applied to ongoing and planned clinical trials.

A project jointly funded by the National Cancer Institute and the National Human Genome Research Institute, TCGA is one of the most comprehensive national efforts to collect and analyze the largest set of tumor samples to date using state-of-the-art genomic and molecular techniques. Memorial Sloan-Kettering currently houses one of TCGA's Genome Data Analysis Centers, led by computational biologist Chris Sander, PhD, biocomputing manager Nikolaus Schultz, PhD, and molecular pathologist Marc Ladanyi, MD. For the endometrial cancer study, Memorial Sloan-Kettering contributed more than 10 percent of all tissue samples analyzed.


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Contact: Caitlin Hool
hoolc@mskcc.org
212-639-3573
Memorial Sloan-Kettering Cancer Center
Source:Eurekalert

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